Yamamoto T, Davis P L, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 9324166 B2, 2023-04-17.
发明人何建平,高志强,冯建国. "Method for the Synthesis of tert-Butyl 5'-oxo-8-azaspiro[bicyclo[3.2.1]octane-3,3'-pyrrolidine]-8-carboxylate" [P]. 中国发明专利, 专利号 CN 115991219 A, 授权公告日 2023-11-27.
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